Re: [patch 21/21] slab defrag: Obsolete SLAB

[Christoph Lameter]

On Wed, 14 May 2008, Matt Mackall wrote:

> > Interrupt exit in general would have to inspect the per cpu structures of 
> > all slab caches on the system?
> 
> Why's that? When we're not under pressure (fast path), we can delay (and
> batch) remote frees. When we are under pressure (slow path), we can do
> everything immediately.

Fastpath is what? I guess slow path means we called into the page 
allocator?

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